the reconstruction of thecity, many modern tall buildings went up ______ old shabby houses were torndown

It is necessary for us to learn _____ second language ____ our mother tongue

Our teacher taught us that water ___ at zero degree centigtade

What’s her favorite __________—She likes strawberries best.

how did your English exam go— I thought I _____, but in fact Icame in the top 10% in the class